Height adjustable desk



FIG. 1 is a perspective view of height adjustable desk in a collapsed position;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a perspective view of the height adjustable desk in an extended position;

FIG. 9 is a front view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a rear side view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a right side view thereof.

The broken line portion of the figure drawings is included to show portions of the article that forms no part of the claimed design. 

CLAIM The ornamental design for a height adjustable desk, as shown and described. 